Delete TODO-comment about guest process/frame IDs in MessageService::OpenChannelImpl

extensions/renderer/messaging_bindings.cc

Index: extensions/renderer/messaging_bindings.cc
diff --git a/extensions/renderer/messaging_bindings.cc b/extensions/renderer/messaging_bindings.cc
index b82e84b113e571242a45d951dc5e0db6c9fb67e4..c8ad89387a7a1894a742ef890ce7620671cf25b0 100644
--- a/extensions/renderer/messaging_bindings.cc
+++ b/extensions/renderer/messaging_bindings.cc
@@ -75,6 +75,11 @@ void DispatchOnConnectToScriptContext(
     const std::string& tls_channel_id,
     bool* port_created,
     ScriptContext* script_context) {
+  if (info.source_is_in_same_process &&
+      info.source_render_frame_routing_id ==
+          script_context->GetRenderFrame()->GetRoutingID())
+    return;
+
   MessagingBindings* bindings = g_messaging_map.Get()[script_context];
   DCHECK(bindings);
 
@@ -122,7 +127,7 @@ void DispatchOnConnectToScriptContext(
     if (info.guest_process_id != content::ChildProcessHost::kInvalidUniqueID) {
       guest_process_id = v8::Integer::New(isolate, info.guest_process_id);
       guest_render_frame_routing_id =
-          v8::Integer::New(isolate, info.guest_render_frame_routing_id);
+          v8::Integer::New(isolate, info.source_render_frame_routing_id);
     }
   }